cnvd - cnvd-2021-94897

cnvd-2021-94897

Vulnerability from cnvd

Title: Dell PowerEdge缓冲区溢出漏洞

Description:

Dell PowerEdge Server BIOS是戴尔（Dell）的一款系统更新驱动程序。

Dell PowerEdge存在安全漏洞，攻击者可利用该漏洞导致拒绝服务、任意代码执行或在UEFI或BIOS预引导环境中泄露信息。

Severity: 高

Patch Name: Dell PowerEdge缓冲区溢出漏洞的补丁

Patch Description:

Dell PowerEdge Server BIOS是戴尔（Dell）的一款系统更新驱动程序。

Dell PowerEdge存在安全漏洞，攻击者可利用该漏洞导致拒绝服务、任意代码执行或在UEFI或BIOS预引导环境中泄露信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.dell.com/support/kbdoc/000187958

Reference: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21555

Impacted products

Name
['DELL PowerEdge R640 < 2.11.2', 'DELL PowerEdge R740 < 2.11.2', 'DELL PowerEdge R740XD < 2.11.2', 'DELL PowerEdge R840 < 2.11.2', 'DELL PowerEdge R940 < 2.11.2', 'DELL PowerEdge R940xa < 2.11.2', 'DELL PowerEdge MX740c < 2.11.2', 'DELL PowerEdge MX840c < 2.11.2']

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21555",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21555"
    }
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  "description": "Dell PowerEdge Server BIOS\u662f\u6234\u5c14\uff08Dell\uff09\u7684\u4e00\u6b3e\u7cfb\u7edf\u66f4\u65b0\u9a71\u52a8\u7a0b\u5e8f\u3002\n\nDell PowerEdge\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3001\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6216\u5728UEFI\u6216BIOS\u9884\u5f15\u5bfc\u73af\u5883\u4e2d\u6cc4\u9732\u4fe1\u606f\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.dell.com/support/kbdoc/000187958",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94897",
  "openTime": "2021-12-07",
  "patchDescription": "Dell PowerEdge Server BIOS\u662f\u6234\u5c14\uff08Dell\uff09\u7684\u4e00\u6b3e\u7cfb\u7edf\u66f4\u65b0\u9a71\u52a8\u7a0b\u5e8f\u3002\r\n\r\nDell PowerEdge\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3001\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6216\u5728UEFI\u6216BIOS\u9884\u5f15\u5bfc\u73af\u5883\u4e2d\u6cc4\u9732\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Dell PowerEdge\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "DELL PowerEdge R640 \u003c 2.11.2",
      "DELL PowerEdge R740 \u003c 2.11.2",
      "DELL PowerEdge R740XD \u003c 2.11.2",
      "DELL PowerEdge R840 \u003c 2.11.2",
      "DELL PowerEdge R940 \u003c 2.11.2",
      "DELL PowerEdge R940xa  \u003c 2.11.2",
      "DELL PowerEdge MX740c \u003c 2.11.2",
      "DELL PowerEdge MX840c \u003c 2.11.2"
    ]
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21555",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-16",
  "title": "Dell PowerEdge\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-21555 (GCVE-0-2021-21555)

Vulnerability from cvelistv5

Published

2021-06-14 19:10

Modified

2024-09-16 22:29

Severity ?

6.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L

CWE

CWE-122 - Heap-based Buffer Overflow

Summary

Dell PowerEdge R640, R740, R740XD, R840, R940, R940xa, MX740c, MX840c, and T640 Server BIOS contain a heap-based buffer overflow vulnerability in systems with NVDIMM-N installed. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of Service, arbitrary code execution, or information disclosure in UEFI or BIOS Preboot Environment.

References

▼	URL	Tags
	https://www.dell.com/support/kbdoc/000187958	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	PowerEdge BIOS Intel 15G	Version: unspecified < 2.11.2

Show details on NVD website

JSON

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            "baseScore": 6.1,
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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